| Acronym | Meaning |
| CDOM | Chromophoric Dissolved Organic Matter |
| SWNT | Single-wall Nanotube |
| XPM | Cross-phase Modulation |
| IMO | Intermolecular Mol. Orbital |
| NICE-OHMS | Noise-immune Cavity-enhanced Optical Heterodyne Molecular Spectroscopy |
| UKB | Unrestricted Kinetic Balance (in Calcns. Of Wave Functions And Energies) |
| SSH | Su-Schieffer-Heeger (model Hamiltonian For Electronic-structure Calcns.) |
| IAB | Information Access Branch |
| GEENET | Global Environmental Epidemiology Network |
| ALSP | Atmosphere And Land Surface Processes |